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71423869104 = 2432770857013
BaseRepresentation
bin100001010000100110…
…0011100000010110000
320211100122121111002100
41002201030130002300
52132234002302404
652451153220400
75105643604350
oct1024114340260
9224318544070
1071423869104
1128321a03aa5
1211a13861700
136973432653
143657b7cb60
151cd061cd39
hex10a131c0b0

71423869104 has 60 divisors (see below), whose sum is σ = 228443013136. Its totient is φ = 20406819456.

The previous prime is 71423869103. The next prime is 71423869123. The reversal of 71423869104 is 40196832417.

It is a self number, because there is not a number n which added to its sum of digits gives 71423869104.

It is not an unprimeable number, because it can be changed into a prime (71423869103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35427499 + ... + 35429514.

Almost surely, 271423869104 is an apocalyptic number.

It is an amenable number.

71423869104 is an abundant number, since it is smaller than the sum of its proper divisors (157019144032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71423869104 is a wasteful number, since it uses less digits than its factorization.

71423869104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70857034 (or 70857025 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 71423869104 in words is "seventy-one billion, four hundred twenty-three million, eight hundred sixty-nine thousand, one hundred four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 56 63 72 84 112 126 144 168 252 336 504 1008 70857013 141714026 212571039 283428052 425142078 495999091 566856104 637713117 850284156 991998182 1133712208 1275426234 1487997273 1700568312 1983996364 2550852468 2975994546 3401136624 3967992728 4463991819 5101704936 5951989092 7935985456 8927983638 10203409872 11903978184 17855967276 23807956368 35711934552 71423869104